Big Block Chevy(BBC) Engine Suffix Codes The Engine Suffix Code is stamped on a block pad located immediately forward of the right hand or passenger side cylinder head. The entire engine code contains the assembly plant (1 digit), month (2 digits), day (2 digits) and the engine suffix c...
We get a number of inquiries regarding casting numbers, engine build dates and engine assembly/suffix codes. Many folks want to know where to look for these Chevy engine casting numbers and codes on blocks and cylinder heads so we decided to put these pages with photos together to help you ...
If the block has been previously "decked" by a machine shop, the engine assembly date and suffix codes, normally found on the passenger side front deck of the block, may have been removed by the machining process. They will be gone. Second, some blocks have been "restamped" in order ...
Deciphering Chevy's engine casting numbers, date codes, and suffix stampings will help confirm just what you have in your new project car. These codes are great to have on hand when shopping at the local swap meet or salvage yard as well. It's not always easy to know what you're look...